core[8], zerg[7], zero[7], ergo[6], oger[6], erze[6], gere[5], rege[5],
zog[7], cer[6], ego[5], geo[5], gor[5], erz[5], zer[5], erg[4], ger[4], reg[4], ree[3],
go[4], er[2], re[2],
